Home / 5,310.37-7,965.51-1,361.62

Finding the Fourth Proportional to 5,310.37, 7,965.51 and 1,361.62

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Solution

The fourth proportional to 5,310.37, 7,965.51 and 1,361.62 is: 2,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.37 : 7,965.51 = 1,361.62 : x
  2. Step 2: Convert to fraction form
    5,310.37/7,965.51 = 1,361.62/x
  3. Step 3: Cross multiply
    5,310.37x = 7,965.51 × 1,361.62
  4. Step 4: Simplify right side
    5,310.37x = 10,845,997.73
  5. Step 5: Solve for x
    x = 10,845,997.73/5,310.37
  6. Step 6: Final answer
    x = 2,042.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.